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ascorbic acid glutathione baking - an overview Used commercially as an antioxident Does ascorbic acid improve sourdough
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doi: 10.1111/j.1471-4159.2008.05460.x
Health Canada has not evaluated these compounds for safety or efficacy in treating any medical condition

Diotallevi M, Checconi P, Palamara AT et al (2017) Glutathione fine-tunes the innate immune response toward antiviral pathways in a macrophage cell line independently of its antioxidant properties

Both are fine

GLUTATHIONE for whitening